Self-opening umbrella.



No. 686,347. Patented Nov. l2, |90l. n. scHnENBERG & A. MLLER.

SELF OPENING UMBBELLA.

(Application led Aug. 7, 1901.)

(No Model.)

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UNITED STATES PATENT EEICE.

ROBERT SOHOENBERG AND ADOLF MLLER, OF ALLEN'OWN, PENNSYLVANIA.

SELF-OPENING UMBRELLA.

SPECIFICATION forming part of, Letters Patent N o. 686,347, dated November 12, 1901.

Application filed August 7, 1901. Serial No. 71,151. (No model.)

d'0 a/Z whom it may concern:

Be it known thatwe, ROBERT SCHOENBERG, a citizen of the United States, and ADOLF` MLLER, a citizen of Germany, and residents of Allentown, Lehigh county, Pennsylvania, have invented certain new and useful Improvements in Umbrellas, of which the following is a specification.

Thisinvention relates to an umbrella which is so constructed that the runner is acted upon by two opposing springs and that it will open or close automatically upon the release of the runner from the retaining-catches.

In the accompanying drawings, Figure lis a longitudinal section, partly in side View, of an umbrella-frame embodying our invention. Figs. 2, 8, and 4 are similar views showing the parts in consecutive positions, and Fig. 5 is a detail of the latches that lock the runner in its open and closed position.

The letter a represents the tubular stem or hollow stick of an umbrella, which is embraced by the runner b, as usual. To the stem a are pivoted the ribs that carry the cover and which are connected to the runner by stays, as usual. The runner is provided with a diametrically-extending pin b', which is free to move in a longitudinal slot a of stem a..

Within the upper part of stem a there is contained a weak closing-spring c, extending from the tip oi' the umbrella to the pin b', against which it bears with its lower end. Within the lower part of the stem @there is contained a strong opening-spring CZ, which bears with its upper end against the pin b'.

The lower end of spring d projects into a tu-' bular sleeve e' of handle e, that telescopes the lower end of stem a. This sleeve is longitudinally movable upon the lower portion and are adapted to engage the slot b2 of run ner b, so as to lock the umbrella in its open or closed position.

The operation is as follows: To open the umbrella, push handle e up to compress spring d until the catch f falls into upper perforation a4, Fig. 2. Pull trigger j to release the runner from latch h,`when the spring d will force the runner up to open the umbrella and simultaneously compress the weak spring c. The umbrella is locked in its open position, Fig. 3, by the engagement of latch t' with runner b. To close the umbrella, depress catch f to liberate sleeve e from perforation art. The compressed spring d will now push the handle down until the catch f falls into perforation 0.3, Fig. 4. In this way the tension of spring d is taken off runner b. By now pulling triggerf to release runner b from latch i the spring c will force the runner down to close the umbrella, Fig. l.

It is evident that the invention may be applied to parasols as well as to umbrellas.

l. An umbrella provided with a tubular stem, a runner, ribs pivoted to the stem, stays that connect the ribs to the runner, an upper and a lower spring engaging the runner from `opposite sidesa tubular handle movable upon the stem and engaging the lower spring, means for locking the handle in its terminal positions, and means for locking the runner in its terminal positions, substantially as specied.

2. An umbrella provided with a tubular slotted stem, a runner having a pin movable within the slot, ribs pivoted to the stem, stays that connect the ribs to the runner, an upper weak spring and a lower strong spring within the stem and bearing against opposite sides of the pin, a tubular handle movable upon the stem and adapted to engage the lower spring, means for locking the handle in its terminal positions, and means forlocking the runner in its terminal positions, substantially as specified.

8. An umbrella provided with a tubular stem, a runner, ribs pivoted to the stem, stays that connect the ribs to the runner, springs engaging the runner from opposite sides, a

IOC.

tubular handle movable upon the stem and l State of New York, this 6th day of August, engaging the lower spring, means for look- 1901.

ing the handle n its terminal positions, a ROBERT SCHOENBERG. pair of latches adapted to engage the runner, ADOLF MULLER.

5 and a trigger operatively connected to both Witnesses:

of said latches, substantially as specified. WILLIAM SCHULZ,

Signed by us at New York city, county and F. V. BRIESEN. 

